43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
package internals
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"crypto/rsa"
|
|
"crypto/tls"
|
|
"crypto/x509"
|
|
"crypto/x509/pkix"
|
|
"io"
|
|
"math/big"
|
|
"net"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
// tlsHandshakeFilter drops "TLS handshake error" log lines (expected noise from
|
|
// browsers rejecting self-signed certs) and forwards everything else unchanged.
|
|
type tlsHandshakeFilter struct{ w io.Writer }
|
|
|
|
func (f tlsHandshakeFilter) Write(p []byte) (int, error) {
|
|
if strings.Contains(string(p), "TLS handshake error") {
|
|
return len(p), nil
|
|
}
|
|
return f.w.Write(p)
|
|
}
|
|
|
|
func generateSelfSignedCert() (tls.Certificate, error) {
|
|
priv, _ := rsa.GenerateKey(rand.Reader, 2048)
|
|
serial, _ := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128))
|
|
tmpl := x509.Certificate{
|
|
SerialNumber: serial,
|
|
Subject: pkix.Name{Organization: []string{"GoTermix"}, CommonName: "localhost"},
|
|
NotBefore: time.Now(),
|
|
NotAfter: time.Now().Add(365 * 24 * time.Hour),
|
|
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
|
|
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
|
|
DNSNames: []string{"localhost"},
|
|
IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")},
|
|
}
|
|
der, _ := x509.CreateCertificate(rand.Reader, &tmpl, &tmpl, &priv.PublicKey, priv)
|
|
return tls.Certificate{Certificate: [][]byte{der}, PrivateKey: priv}, nil
|
|
}
|